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97啦
total lost $197
....ME A BIT STUPID 179+ITEM......CORRECT.....
97元,肯定对
亏了197+礼物
?????????

回復第 1 帖由 idontgiveashit 所發的帖子

the answer is -$97 for sure.
! V- X" n& Y  k2 W4 {2 w; atvb now,tvbnow,bttvbThink about it this way * F7 b6 B& F7 R: W
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
3 L( f) a  D! e% p; x2) Now, the owner discovered that the 100 bucks is fake. You can think this as a lost of $100. therefore the overall gain is $3-$100 = -$97

回復第 1 帖由 idontgiveashit 所發的帖子

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79

79-(21-18)+100+18=197
i would say $97 (79 + 18)
97 easy
i think it's 775.39.217.77:8898+ a9 {0 f9 i% [! Y0 G7 n
( o# k; ^$ w1 @. a/ T. D
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =
( F, ~+ d. D# i公仔箱論壇+ X" E1 I. A& L& e
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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